Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 6.2, Problem 2SB
Summary Introduction
To review:
The relationship between 
and the concentration of reactants and products at equilibrium point of a reaction.
Introduction:
The values represent the free energy of a system and are used to predict the spontaneity of a reaction. must attain a negative value in order for a reaction to take place. The equilibrium point of a reaction is a point where the
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What are the Determinants of Reaction Rates?
What do the following indicators tell you about whether a reaction can proceed as written? (a) The standard free-energy change is positive. (b) The free-energy change is positive. (c) The reaction is exergonic
The following questions are based on the reaction A+ B ↔ C+D shown in Figure 8.1.
1. Which of the following terms best describes the progress of the reaction with respect to free energy change?
a) endergonic, ∆G> 0
b) exergonic, ∆G> 0
c) exergonic, ∆G< 0
d) endergonic, ∆G< 0
2. Which of the following in Figure 8.1 remains unchanged by having an enzyme included?
a) b
b) d
c) a
d) c
3. The part labeled “C” on the above graph represents
a) Energy of activation without enzyme
b) Energy of activation with enzyme
c) Amount of free energy released
d) amount of energy required for the reaction progress
Chapter 6 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 6.1 - Prob. 1SBCh. 6.1 - In thermodynamics, what is meant by an isolated...Ch. 6.2 - Prob. 1SBCh. 6.2 - Prob. 2SBCh. 6.2 - Distinguish between exergonic and endergonic...Ch. 6.3 - Prob. 1SBCh. 6.3 - How are coupled reactions important to cell...Ch. 6.4 - How do enzymes increase the rates of the reaction...Ch. 6.4 - Can enzymes alter the G of a reaction?Ch. 6.5 - Prob. 1SB
Ch. 6.5 - What is the difference between competitive and...Ch. 6.5 - Prob. 3SBCh. 6.6 - Prob. 1SBCh. 6 - The capacity to do work best defines: a metabolic...Ch. 6 - The assembly of proteins from amino acids is best...Ch. 6 - When two glucose molecules react to form maltose:...Ch. 6 - When glucose reacts with ATP to form...Ch. 6 - In the following graph: A represents the product....Ch. 6 - Which of the following methods is not used by...Ch. 6 - In an enzymatic reaction: a. the enzyme leaves the...Ch. 6 - Which of the following statements about the...Ch. 6 - Which of the following statements about inhibition...Ch. 6 - Which of the following statements is incorrect? a....Ch. 6 - Prob. 11TYKCh. 6 - Discuss Concepts Trace the flow of energy through...Ch. 6 - Prob. 13TYKCh. 6 - Prob. 14TYKCh. 6 - Prob. 15TYKCh. 6 - Prob. 16TYKCh. 6 - Prob. 17TYKCh. 6 - Prob. 1ITDCh. 6 - Prob. 2ITDCh. 6 - Prob. 3ITD
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- For this reaction: 6CO2 + 6H2O → C6H12O6 + 6O2, the products have 2760 kJ/mole more free energy than the reactants. So, which of the following statements best describes the reaction? a The reaction is endergonic because it converts molecules with less free energy to those with more free energy. b The reaction is exergonic because it converts molecules with less free energy to those with more free energy. c The reaction is exergonic because it converts molecules with more free energy to those with less free energy d The reaction is endergonic because it converts molecules with more free energy to those with less free energy.arrow_forwardReaction 1 has a DG° of-12.3 kJ/mol, and Reaction 2 has a DG° of 23.4 kJ/mol. Which statement is TRUE of these two reactions? a) Reaction 2 occurs faster O b) It is impossible to know which reaction occurs faster with this information. Oc) Both reactions occur at the same rate. d) Reaction 2 will not occur spontaneously. e) Reaction 1 occurs faster. МacBoс 80 esc F5 F1 F2 F3 F4arrow_forwardWhich of the following statements are true for BOTH the "transition state" and an "intermediate" of reaction? (This is a multi-select question, select all that apply.). Both are only observed in enzyme-catalyzed reactions. Both can be converted to product(s) or might decompose back to the reactant(s). Neither are part of the "net equation" for the reaction. Both contain covalent bonds are in the process of breaking and/or forming. Both are part of every chemical reaction. (i.e. the mechanisms of all chemical reactions, whether enzyme catalyzed or not, will have involve both a transition state and an intermediate).arrow_forward
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